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2、 ) Magnetic stripes on savingsbooks 1 , , , , , , , , ( ), . 2 . . ( ) . KS X 65052, ID 2: 3 . 3.1 3.2 2 ( SRM 3200:KS X 65052 ) , 3.3 95 % 3.4 3.5 16.5 ftpmm420 ftpin 200220 % KS X 6308:2007 2 3.6 16.5 ftpmm420 ftpin , 3.7 , 3.8 16.5 ftpmm420 ftpin , . 3.9 3.10 3.11 (drop-in) , 10 % 4 , (, ) ( 1 ).
3、 4.1 , ( 1 ). 1 KS X 6308:2007 3 4.2 . 5 2 . 3 . a b c d e mm in mm in mm in mm in mm in 5 0.197 19 0.748 2.9 0.114 90 3.54 100 3.94 2 6 (242) , (5010) % 24 . . . . 6.1 6.1.1 . TAPPI T 489 os76 , 1610 4nm . KS X 6308:2007 4 6.1.2 3 , , . 6.1.3 R a . 2.5 m100 in 0.8 mm . 1.4 m . 6.1.4 , . . 6.2 , . 9
4、0110 % . , . 6.2.1 16.5 ftpmm420 ftpin . :mm inch . 3 6.2.2 80120 % . KS X 6308:2007 5 6.2.3 4 80145 % . 6.2.4 4 60160 % . 6.2.5 200 % 4 % . 6.2.6 , 1/2 10 % . . , , . . 7 . :540 :2080 % :25 KS X 6308:2007 6 I R : 4 8 8.1 2.8 mm0.110 in . 12.5 mm 15.3 mm . 8.2 . 9.5 mm 85.0 mm . , . 20 . 5 108 . 8.3
5、 , 90 0.7 . I R KS X 6308:2007 7 8.4 2 (可) (two-fequency coherent phase recording) (KS X 65052 ). 8.5 , (8.35) % bits/mm . “0” (0.1210.010) mm, “1” (0.0600.000 6) mm. 9 5-bit-code(4 ) . 10 . LRC(LRC ) . LRC . , LRC . 1 P 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 b 40 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 b 30 0 0 0 1
6、 1 1 1 0 0 0 0 1 1 1 1 b 20 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 b 10 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 a a a b c d a: c : b: d : 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS X 6308 :2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Magnetic stripes on savingsbooks ICS 35.240.40 Korean Agency for Technology and Standards http:/www.kats.go.kr